Home / 714,860.87-1,072,498.84-288,176.49

Finding the Fourth Proportional to 714,860.87, 1,072,498.84 and 288,176.49

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Solution

The fourth proportional to 714,860.87, 1,072,498.84 and 288,176.49 is: 432,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,860.87 : 1,072,498.84 = 288,176.49 : x
  2. Step 2: Convert to fraction form
    714,860.87/1,072,498.84 = 288,176.49/x
  3. Step 3: Cross multiply
    714,860.87x = 1,072,498.84 × 288,176.49
  4. Step 4: Simplify right side
    714,860.87x = 309,068,950,519.83
  5. Step 5: Solve for x
    x = 309,068,950,519.83/714,860.87
  6. Step 6: Final answer
    x = 432,348.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.